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Finding the Fourth Proportional to 59,766.66, 89,705.41 and 30,205.31

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Solution

The fourth proportional to 59,766.66, 89,705.41 and 30,205.31 is: 45,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,766.66 : 89,705.41 = 30,205.31 : x
  2. Step 2: Convert to fraction form
    59,766.66/89,705.41 = 30,205.31/x
  3. Step 3: Cross multiply
    59,766.66x = 89,705.41 × 30,205.31
  4. Step 4: Simplify right side
    59,766.66x = 2,709,579,193.69
  5. Step 5: Solve for x
    x = 2,709,579,193.69/59,766.66
  6. Step 6: Final answer
    x = 45,335.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.